Guang-Ri Jin, Sang Wook Kim
Published 2007-09-30Version 1
Efficient control of spin squeezing in a two-component Bose-Einstein Condensate is studied by rapidly turning-off the external field at a time that maximal spin squeezing appears. We show that strong reduction of spin fluctuation can be maintained in a nearly fixed direction for a long time. We explain the underlying physics unambiguously, and present analytical expressions of the maximal-squeezing time.
Comments: 10 pages, 5 figures. This version is slightly different from the one published in Phys. Rev. Lett
Journal: Phys. Rev. Lett.99, 170405 (2007)
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